A□wi□heveryepisodeof□un□i□g□an,□he20130421epi□o□ewasf□□l□□□i□ha□e□iesofcha□□en□esand□am□st□attestedth□wit,□trength,andt□amw□rko□thecas□members.Fr□mintenseph□sic□l□hall□nges□obra□n-t□□si□g□uzzles,thecasthadtoworktogethertoovercomeob□tacles□ndemergevictorious.Thecompe□i□ivespiritwashighas□hecas□□e□bersthre□themselveswho□ehearte□lyintoeachchallenge,de□□rmined□ooutsm□rtan□outperformtheiropponents□□> As□ithe□eryep□sodeofRun□ing□an,the2□□30421□p□sodewasfilledwi□has□r□e□□fcha□leng□san□g□□esthat□estedt□ew□□,s□reng□h□andt□amworkofthe□astm□mbe□□.Fromintensep□ysic□□challengestobr□in-te□sin□puz□les,th□c□□tha□□oworktogethertoo□erc□meobstaclesandemergevictor□ous□Thecompeti□ives□iritwashighasthecastme□b□□sthrewt□emse□veswhol□hearted□yintoeachchallenge,□et□□minedtooutsmar□and□u□per□□rmtheiroppone□ts. □□withe□□□y□p□sodeof□unning□an,the□0130421□pisod□wasfilledwithaseriesofchallenge□andgame□tha□tested□h□□it,□tre□□th,and□eamworkofthecastmembers.Fromintensephysical□hallengestobra□n-□easingpuzzles,t□ecasth□dto□orktogetherto□vercomeobs□a□lesa□deme□gevict□□□ou□.□hecompet□tivespiritwashighasthecast□□m□ersthrew□h□mselvesw□□lehear□edl□intoeachchal□enge,dete□minedtooutsmartan□outp□rformtheiropponents.□> Aswithev□r□episodeofRunningMan,the2013□□21episodewasfilledwithaserie□ofchallengesandgamesthat□□st□dth□□it□stren□th,andt□am□o□kofth□□ast□e□ber□.Fro□intense□hysicalchalleng□stobrain□teasingpuzzles,thecasthadtowor□togeth□rtoovercomeobs□aclesande□e□gevictorious.The□ompetitivespi□it□□sh□ghasthecast□□mber□t□re□them□e□v□sw□oleheartedlyi□t□eachch□llenge,determine□t□outsm□rtandoutperform□heiro□□o□ents.□> Aswithe□eryep□sod□ofRunn□ngM□□,the□013□421□pisodewasfilledwit□□seriesof□halleng□sandg□mesthattestedthewi□,□trength,andte□□workof□hecastmembers.□r□□□n□ens□phys□c□l□h□llengesto□rain-te□singpuzzle□,t□ecasthadtowork□□g□th□rtoo□ercomeobstaclesan□eme□gevictorio□s.T□e□ompetit□ves□□□itwashig□ast□eca□tmember□threwthe□s□lve□whol□hearted□yint□□a□hch□l□enge,determ□n□dt□ou□smartandoutperfo□□th□□r□pp□ne□ts.